Fair Value Measurements - Financial Assets and (Liabilities) Carried at Fair Value (Details) - USD ($)		Sep. 30, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap (liability)		$ (848,000)
Interest rate swap (asset)			$ 573,000
Fair Value, Measurements, Recurring | Estimate of Fair Value, Fair Value Disclosure
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap (liability)	[1]	(848,000)
Interest rate swap (asset)	[1]		573,000
Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap (liability)	[1]	0
Interest rate swap (asset)	[1]		0
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap (liability)	[1]	(848,000)
Interest rate swap (asset)	[1]		573,000
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap (liability)	[1]	$ 0
Interest rate swap (asset)	[1]		$ 0

[1] The fair value of the interest rate swap is determined based on forward yield curves.